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Instead, he says, Americans should be able to decide for themselves whether to try an unapproved therapy

Copper plays an important role in normal biologic processes tied to extracellular matrix support, collagen-related activity, and tissue repair

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Eye-level view of laboratory equipment used to study GHK-Cu absorption and stability Summary GHK-Cu shows promise for skin and health benefits, but its oral bioavailability is limited by digestive breakdown

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